Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.

One can have no smaller or greater mastery than mastery of oneself.

Wisdom is the daughter of experience.

Where there is shouting, there is no true knowledge.

Art is never finished, only abandoned.

Time you enjoy wasting, was not wasted.

I have been impressed with the urgency of doing. Knowing is not enough, we must apply. Being willing is not enough, we must do.

The noblest pleasure is the joy of understanding.

Why does the eye see a thing more clearly in dreams than the imagination when awake?